Security key
410867105
HANOVER INSURANCE GROUP, INC. - COMMON STOCK (THG)
CUSIP: 410867105
Q1 2021 13F Holders as of 31 Mar 2021
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 31,163,486
- Total 13F value
- $4,035,068,199
- Share change
- -143,615
- Put/Call ratio
- 0%
- SEC-reported price per share
- $129.46
- Number of holders
- 343
- Value change
- -$13,883,664
- Number of buys
- 145
- Number of sells
- 160
- Shares outstanding
- 35,222,769
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2021
Institutions
343
Top holders
10
THG full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
HANOVER INSURANCE GROUP, INC. SEC filings
HANOVER INSURANCE GROUP, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 410867105
Recent filing periods:
Ownership snapshot
Top reported holders of THG - HANOVER INSURANCE GROUP, INC. - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
0/15
Latest evidence
31 Dec 2020
13F
Highest disclosed value: $437,673,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC has the largest disclosed position value at $437.67M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD GROUP INC's linked filing trail.
Disclosed position value
Top 5
VANGUARD GROUP INC
$437.67M
BlackRock Finance, Inc.
$376.41M
FRANKLIN TEMPLETON INC
$146.1M
PRICE T ROWE ASSOCIATES INC /MD/
$126.92M
STATE STREET CORP
$122.26M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$437,673,000
3,743,358 shares
|
— | 31 Dec 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$376,406,000
3,219,346 shares
|
— | 31 Dec 2020 |
| FRANKLIN TEMPLETON INC |
13F
Company
|
—
denominator unverified
|
$146,096,000
1,249,542 shares
|
— | 31 Dec 2020 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
—
denominator unverified
|
$126,922,000
1,085,544 shares
|
— | 31 Dec 2020 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$122,257,000
1,045,648 shares
|
— | 31 Dec 2020 |
| ALLIANCEBERNSTEIN L.P. |
13F
Company
|
—
denominator unverified
|
$113,997,000
974,997 shares
|
— | 31 Dec 2020 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
343
Shares
31,163,486
Rows available
343
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2021 vs Q1 2021 Across Filers
Q1 2021 holders
343
Q1 2021 holders
343
Holder diff
0
| Investor | Q1 2021 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q1 2021 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend